hanger bolts 1. Size : 6*60,7*60,7*70,8*80,10*100,12*120... 2. Finish ... .g p.l hanger bolts1. Size : 6*60,7*60,7*70,8*80,10*100,12*120...2. Finish ... drum and etc... 6.Character .:by the head and the screw (with the external thread of the cylinder) a class of two-part ... fasteners, nuts with the need and for fastening with a hole connecting the two parts zinc plate hanger bolts with c and others